From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B981BC432BE for ; Fri, 23 Jul 2021 11:23:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9AC3D60E75 for ; Fri, 23 Jul 2021 11:23:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234231AbhGWKnS (ORCPT ); Fri, 23 Jul 2021 06:43:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:34320 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231848AbhGWKnS (ORCPT ); Fri, 23 Jul 2021 06:43:18 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id EBC78608FE; Fri, 23 Jul 2021 11:23:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1627039431; bh=sep4PyPFWFTV1G73N7CdN+qNWYDhfdkSBOFjBh0oYkU=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=R6MI/WJ4vElrqZoGqWHmJCK8Rcli5o9G3c4wT33/ezTsgyN/qu2AhGPqXuetLZ3O5 Df6moxTD16ngcV++Y0QxZa2NNZLBuFI9ufHHBZfJB5+UU6JUX15YiV7uW9sG6d9kgv q3+z+UhXyx09bvbBR6sEEg/iglFfzE8PaUTRKy4ZyaIPtKUS9kjR+zea6d98mLVa7f Lj4xD90vokCiOtGRx52Dj4k+2pDWvl5TUSDqK0An/AyIS8TEbNe47jPwCcdzawML6T 2RwCCVbZ3Ve6h10lDV0Px52jwl/Ptd/ZVfX37GhmtDrzxdsr3P8rCpmbOQGNCtjwYT Fgnbdjxz1JSdA== From: Felipe Balbi To: Ferry Toth , Wesley Cheng , gregkh@linuxfoundation.org, robh+dt@kernel.org, agross@kernel.org, bjorn.andersson@linaro.org, frowand.list@gmail.com Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, jackp@codeaurora.org, heikki.krogerus@linux.intel.com, andy.shevchenko@gmail.com Subject: Re: [PATCH v10 0/6] Re-introduce TX FIFO resize for larger EP bursting In-Reply-To: References: <1623923899-16759-1-git-send-email-wcheng@codeaurora.org> <2e01c435-9ecc-4e3b-f55c-612a86667020@codeaurora.org> <2ae9fa6a-3bb1-3742-0dd3-59678bdd8643@gmail.com> <87v951ldlt.fsf@kernel.org> Date: Fri, 23 Jul 2021 14:23:40 +0300 Message-ID: <87pmv9l1dv.fsf@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Ferry Toth writes: > Hi > > Op 23-07-2021 om 08:59 schreef Felipe Balbi: >> Hi, >> >> Ferry Toth writes: >>>>> kernel: configfs-gadget gadget: u_audio_start_playback:451 Error! >>>>> kernel: configfs-gadget gadget: u_audio_start_playback:451 Error! >>>>> kernel: dwc3 dwc3.0.auto: request 00000000fbc71244 was not queued to = ep5in >>>>> kernel: dwc3 dwc3.0.auto: request 00000000ad1b8c18 was not queued to = ep5in >>>>> kernel: dwc3 dwc3.0.auto: Fifosize(2154) > RAM size(2022) ep5in >>>>> depth:115540359 >>>>> kernel: configfs-gadget gadget: u_audio_start_playback:451 Error! >>>>> kernel: configfs-gadget gadget: u_audio_start_playback:451 Error! >>>>> kernel: dwc3 dwc3.0.auto: request 000000003c32dcc5 was not queued to = ep5in >>>>> kernel: dwc3 dwc3.0.auto: request 00000000b2512aa9 was not queued to = ep5in >>>>> >>>>> Removing uac2 from the config makes the call trace go away, but the R= /W >>>>> speed does not change. >>> I am testing with 5.14.0-rc2 and now related error appears (not in rc1). >>> Disabling uac2 solves it still. Any idea what it could be? >>> >>> BUG: unable to handle page fault for address: 0000000500000000 >>> #PF: supervisor instruction fetch in kernel mode >>> #PF: error_code(0x0010) - not-present page >>> PGD 0 P4D 0 >>> Oops: 0010 [#1] SMP PTI >>> CPU: 0 PID: 494 Comm: irq/14-dwc3 Not tainted >>> 5.14.0-rc2-edison-acpi-standard #1 >> (cool that you're running on ACPI heh) > Thanks to Andy this is Edison-Arduino board with ACPI. >>> Hardware name: Intel Corporation Merrifield/BODEGA BAY, BIOS 542 >>> 2015.01.21:18.19.48 >>> RIP: 0010:0x500000000 >>> Code: Unable to access opcode bytes at RIP 0x4ffffffd6. >>> RSP: 0018:ffffa4d00045fc28 EFLAGS: 00010046 >>> RAX: 0000000500000000 RBX: ffff8cd546aed200 RCX: 0000000000000000 >>> RDX: 0000000000000000 RSI: ffff8cd547bfcae0 RDI: ffff8cd546aed200 >>> RBP: ffff8cd547bfcae0 R08: 0000000000000000 R09: 0000000000000001 >>> R10: ffff8cd541fd28c0 R11: 0000000000000000 R12: ffff8cd547342828 >>> R13: ffff8cd546aed248 R14: 0000000000000000 R15: ffff8cd548b1d000 >>> FS: 0000000000000000(0000) GS:ffff8cd57e200000(0000) knlGS:00000000000= 00000 >>> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >>> CR2: 0000000500000000 CR3: 000000000311e000 CR4: 00000000001006f0 >>> Call Trace: >>> ? dwc3_remove_requests.constprop.0+0x14d/0x170 >>> ? __dwc3_gadget_ep_disable+0x7a/0x160 >>> ? dwc3_gadget_ep_disable+0x3d/0xd0 >>> ? usb_ep_disable+0x1c/0x >>> ? u_audio_stop_capture+0x79/0x120 [u_audio] >>> ? afunc_set_alt+0x73/0x80 [usb_f_uac2] >>> ? composite_setup+0x224/0x1b90 [libcomposite] >>> ? __dwc3_gadget_kick_transfer+0x160/0x400 >>> ? dwc3_gadget_ep_queue+0xf3/0x1a0 >>> ? configfs_composite_setup+0x6b/0x90 [libcomposite] >>> ? configfs_composite_setup+0x6b/0x90 [libcomposite] >>> ? dwc3_ep0_interrupt+0x459/0xa40 >>> ? dwc3_thread_interrupt+0x8ee/0xf40 >>> ? __schedule+0x235/0x6c0 >>> ? disable_irq_nosync+0x10/0x10 >>> ? irq_thread_fn+0x1b/0x60 >>> ? irq_thread+0xc0/0x160 >>> ? irq_thread_check_affinity+0x70/0x70 >>> ? irq_forced_thread_fn+0x70/0x70 >>> ? kthread+0x122/0x140 >>> ? set_kthread_struct+0x40/0x40 >>> ? ret_from_fork+0x22/0x30 >> Do you mind enabling dwc3 traces and collecting them? Trying to figure >> out how we got here. >> > I'll try if I can get the same error by booting with USB in host mode=20 > and then switch to device mode. If so I can enable traces and collect as= =20 > you explained me before. > > I'll try before monday, as then I fly for a holiday and will not be=20 > available before rc5. you can enable all of those with kernel cmdline :-) https://www.kernel.org/doc/html/latest/admin-guide/kernel-parameters.html you need ftrace_dump_on_oops=3D1 and also need the correct options on trace_buf_size and trace_event. =2D-=20 balbi --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQFFBAEBCAAvFiEE9DumQ60WEZ09LIErzlfNM9wDzUgFAmD6prwRHGJhbGJpQGtl cm5lbC5vcmcACgkQzlfNM9wDzUi2CAf+Kz5z/Z388lfY844QMLR/DnG2Wiw1RNBe XiTA8qSzwKgB55ZtO17uVK8GFMMYpvv4I7dnSlSltlaSzEBT3ZWPs3dqVUrjPktq 7q31dOcRB0DcFIaIxKG6Ip4xe6juQ76T6UmkcnN5c92v6z1YslokrjOiN/KCyVbv eXo7dq1q5L6r3zX2ABIxA7JbGghOUWGQb8o7/F/AsdZWJ127KHb+vUNKjmjqHGcw ztr2GE4/+DersZ5mm9yyqTKMSs3JrjSctXSDK+xceujIUjRl1Noz3+npvCu22XsD 7YSQnek9lcTT6W68zgWDPGNbCfGY143d1Yh3D+G2/EEmm6FTArAVPQ== =XlmN -----END PGP SIGNATURE----- --=-=-=--